Keene, Carolyn <br/><br/>
The Triple Hoax / 
by Carolyn Keene; Illustrated by Ruth Sanderson. 
 - New York :  Wanderer Books. 
 - 184 p. :  ill ;  19 cm. 
 - Nancy Drew Mystery Stories  57 .
<br/><br/><label>ISBN: </label>0671954903 0671955128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories--Fiction